NOTE: How to resolve PyCharm can’t start cause error: Address already in use: bind

OS:

Windows 10 Ultimate

this topic regard to this bug:

• https://youtrack.jetbrains.com/issue/IDEA-238995
• https://intellij-support.jetbrains.com/hc/en-us/community/posts/360004973960-Critical-Internal-Error-on-Startup-of-IntelliJ-IDEA-Cannot-Lock-System-Folders-
• https://intellij-support.jetbrains.com/hc/en-us/community/posts/360009005139-Intellij-Not-starting-up-getting-error-BindException-Address-already-in-use-

What happen

After configure and install WSL2 and Ubuntu Linux ( 18.04 ) and Docker for desktop does not sure one of this reset Windows 10 network configuration for some how make Pycharm can’t start.

I resolve with below command.
netsh winsock reset

NOTE2: Be careful above method after many time of restart my laptop what happen is i can’t access WSL instance anymore. so please use below are safer. after run you need to restart Windows

Other possible to work around.

netsh int ipv4 set dynamicport tcp start=49152 num=16383
netsh int ipv4 set dynamicport udp start=49152 num=16383 

Known Issue

• After enable Hyper-V in Windows 10 you can’t use Virtualbox need to disable then restart before
  dism.exe /Online /Disable-Feature:Microsoft-Hyper-V
• If above can’t fix try to run

bcdedit /set hypervisorlaunchtype off
refer: https://community.cloudera.com/t5/Support-Questions/VT-x-is-not-available-VERR-VMX-NO-VMX-Error-for-HDP-3-0-1-on/td-p/243935

refer: https://superuser.com/questions/1153470/vt-x-is-not-available-but-is-enabled-in-bios

• If above Still can’t start Virtualbox back So disable Hyper-V from feature setting ( GUI ) can help ( it work for me )

Other troubleshoot:

rootfs of WSL : https://superuser.com/questions/1185033/what-is-the-home-directory-on-windows-subsystem-for-linux

WSL support Q&A list from @ microsoft site: https://docs.microsoft.com/en-us/windows/wsl/troubleshooting